Deck 9: The Upper Limb

Question 1

What are the four rotator cuff muscles?

A) Deltoid, teres major, supraspinatus, and infraspinatus
B) Latissimus dorsi, supraspinatus, infraspinatus, and teres minor
C) Supraspinatus, infraspinatus, teres minor, and subscapularis
D) Teres major, teres minor, deltoid, and latissimus dorsi
E) Teres major, teres minor, deltoid, and supraspinatus

Answer 1

C
Supraspinatus, infraspinatus, teres minor, and subscapularis. The four rotator cuff muscles are the supraspinatus, infraspinatus, teres minor, and subscapularis. All the other muscles named are in the shoulder or arm, but they are not rotator cuff muscles.

Question 2

The _________ artery and its branches provide the entire arterial supply to the upper limb.

A) radial
B) ulnar
C) digital
D) subclavian
E) femoral

Answer 2

D
Subclavian. The arterial supply to the upper limb is entirely from the subclavian artery and its branches.

Question 3

The ________ is the superoposterior portion of the trochlear notch of the ulna and forms the bony prominence of the elbow.

A) acromion
B) olecranon
C) coronoid fossa
D) capitulum
E) clavicle

Answer 3

B
Olecranon. The olecranon is the superoposterior portion of the trochlear notch of the ulna and forms the bony prominence of the elbow.

Question 4

The __________ muscle is a large triangular muscle on the anterior chest wall that can flex, medially rotate, and adduct the arm.

A) pectoralis minor
B) subclavius
C) serratus anterior
D) pectoralis major
E) trapezius

Question 5

The shoulder girdle is composed of the _____________________________.

A) clavicle and acromion
B) scapula and clavicle
C) humerus and clavicle
D) humerus and scapula
E) scapula and ulna

Question 6

The ________ is the single bone of the upper arm.

A) ulna
B) scapula
C) clavicle
D) humerus
E) radius

Question 7

The intrinsic muscles of the hand that enable the fine positioning of the fingers and thumb for skilled movements include all of the following except the _____________________.

A) supinator
B) flexor pollicis brevis
C) abductor pollicis brevis
D) opponens pollicis
E) abductor digiti minimi

Question 8

Venous drainage in the upper arm begins in the hand and culminates in the _________ vein in the root of the neck.

A) cephalic
B) antebrachial
C) subclavian
D) basilic
E) cubital

Question 9

The _________ joint is an articulation between the spherical head of the humerus and the shallow depression of the glenoid fossa of the scapula and is a ball-and-socket configuration that allows three degrees of freedom.

A) intracapsular
B) scapulothoracic
C) acromioclavicular
D) sternoclavicular
E) glenohumeral

Question 10

The motor and sensory nerve supply to the upper limb is via the _________________.

A) axilla
B) brachial plexus
C) lumbar nerve 5
D) ulnar nerve
E) suprascapular nerve